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发明名称
Dispositif de déviation pour conduits reliés à une tête de puits
摘要
申请公布号
FR1498091(A)
申请公布日期
1967.10.13
申请号
FR19660082150
申请日期
1966.11.02
申请人
ROCKWELL MANUFACTURING COMPANY
发明人
分类号
E21B23/12
主分类号
E21B23/12
代理机构
代理人
主权项
地址
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